This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Now, Isaac, have you noticed that there is a taboo against US = technicians criticizing Steinway and Baldwin pianos on this list? Ed ;-) ----- Original Message -----=20 From: Isaac sur Noos=20 To: College and University Technicians=20 Sent: Saturday, December 20, 2003 5:59 AM Subject: RE: Touch weight In my experience Protek CLP make some bushings very sluggish or even = blocking after some time. =20 Have no correlation between the kind of bushings (Renner most probably = ) that produce these results on a regular basis. =20 The lists being mostly driven by US techs and Protek being an Us = product widely used, nobody seem to answer to these questions most = probably because of the political correct attitude on the lists (is not = it guys ?) =20 So let me say that is how I understand your silence on that matter = (strange as you're generally willing to talk on any product/process = used) =20 =20 =20 Happy Christmas to all. =20 Isaac OLEG =20 -----Message d'origine----- De : caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]De la part de = Wimblees@aol.com Envoy=E9 : vendredi 19 d=E9cembre 2003 16:11 =C0 : caut@ptg.org Objet : Re: Touch weight =20 In a message dated 12/19/03 9:04:06 AM Central Standard Time, = fssturm@unm.edu writes: The Steinway "Permafree II" action centers are impregnated with a = teflon=20 solution, which lubricates and provides additional firmness. We had = quite a=20 bit of discussion of this over the past couple months, with respect to = firmness versus friction. No other manufacturer uses this method. Most others are pure,=20 "unadulterated" felt, some have graphite applied to one surface. All = others=20 will respond to lubrication with Protek, and/or to shrinking/sizing = with=20 alcohol/water. Steinway will not respond to either, due to that=20 impregnation with teflon. Pure methanol, a controlled substance, is=20 available (at least in colder climes) as gas line "de-freezer." Eric=20 Schandall says he thinks ethanol will work as well. Regards, Fred Sturm When I was at Steinway last summer, I could have sworn Eric told us to = use Protek on the bushings. I will see if I can find methanol here in = "warm and sunny" Alabama.=20 =20 Wim=20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/79/86/2d/f9/attachment.htm ---------------------- multipart/alternative attachment--
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